ENHANCED VERIFIER-BASED PASSWORD AUTHENTICATED KEY AGREEMENT PROTOCOL FOR THREE-PARTIES | ||
| JES. Journal of Engineering Sciences | ||
| Article 23, Volume 36, No 6, November and December 2008, Pages 1513-1522 PDF (112.7 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.21608/jesaun.2008.119612 | ||
| Authors | ||
| Dina Nabil Shaban; Maged H. Ibrahim; Zaki B.Nossair | ||
| Department of Electronics, Communications and Computers Engineering, Faculty of Engineering at Helwan, Helwan University. | ||
| Abstract | ||
| Most of password authenticated key agreement protocols have focused on the two-party setting where two communicating parties share a password. However, in the two-party setting any user may want to communicate with other users who have not shared the same password. In this paper we present an efficient verifier-based password authenticated key agreement protocol for three-parties. In the three-party setting each user only shares a password with a trusted server which authenticates two users and helps the users with different passwords share a common session key. Our proposed protocol is secure against several attacks and provides perfect forward secrecy. | ||
| Keywords | ||
| authentication; cryptanalysis; key agreement; password; three-party | ||
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